Chemical Process Phthalic anhydride is used For making nylon-6 In making PVC In insecticides manufacture As plasticisers For making nylon-6 In making PVC In insecticides manufacture As plasticisers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 0.5 5 20 35 0.5 5 20 35 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent Inhibits its corrosive effects None of these Does not allow redeposition of dirt on the cleaned surface Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) Inhibits its corrosive effects None of these Does not allow redeposition of dirt on the cleaned surface Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? CaCl₂ MgCl₂ None of these Ca(HCO₃)₂ CaCl₂ MgCl₂ None of these Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is None of these Ultraviolet light Oleum Dilute H₂SO₄ None of these Ultraviolet light Oleum Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of vinegar? Neither A nor B Around 1% acetic acid Both A and B Around 10% alcohol Neither A nor B Around 1% acetic acid Both A and B Around 10% alcohol ANSWER DOWNLOAD EXAMIANS APP
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